Question: "What is the sister or brother of Anton Chekhov,that has the birth city in Taganrog?"
Paraphrase: "What is the sister or brother of Anton Chekhov,that has the birth city in Taganrog?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q5685 wdt:P3373 ?answer . ?answer wdt:P19 wd:Q170513}
Answer: Maria Chekhova, Mikhail Chekhov, Nikolai Chekhov, Alexander Chekhov